<template>
  <div>
     <!-- 主体部分 -->
     <section class="main">
      <input id="toggle-all" v-model="isAll" class="toggle-all" type="checkbox" />
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li v-for="item in list" :key="item.id" :class="{completed : item.isDone}" >
          <div class="view">
            <input class="toggle" type="checkbox" @change="isChange(item.id)" :checked ="item.isDone" />
            <label>{{item.name}}</label>
            <button class="destroy" @click="del(item.id)"></button>
          </div>
        </li>
        
      </ul>
    </section>
  </div>
</template>

<script>
export default {
  name: 'TodoMain',
  props : {
    list : {
      type:Array,
    required :true
    }
    
  },
  data() {
    return {
      
    };
  },

  mounted() {
    
  },

  methods: {
    del(id) {
      this.$emit('del',id)
    },
    isChange(id) {
      this.$emit('change',id)
    }
  },
  computed: {
   isAll: {
    get() {
      return this.list.every(item => item.isDone );
    },
    set(val) {
      this.$emit('changeIsAll',val)
    },
   }
  }
};
</script>

<style lang="scss" scoped>

</style>